PHP code example of gugglegum / retry-helper

1. Go to this page and download the library: Download gugglegum/retry-helper library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

gugglegum / retry-helper example snippets


$request = new \GuzzleHttp\Psr7\Request("GET", "https://example.com");

$response = (new \gugglegum\RetryHelper\RetryHelper())
    ->execute(function() use ($request) {
        return (new \GuzzleHttp\Client())->send($request);
    }, 10);

echo $response->getBody()->getContents() . "\n";


$request = new \GuzzleHttp\Psr7\Request("GET", "https://example.com");

$response = (new \gugglegum\RetryHelper\RetryHelper())
    ->setIsTemporaryException(function(\Throwable $e): bool {
        return $e instanceof \GuzzleHttp\Exception\ServerException
            || $e instanceof \GuzzleHttp\Exception\ConnectException;
    })
    ->execute(function() use ($request) {
        return (new \GuzzleHttp\Client())->send($request);
    }, 10);

echo $response->getBody()->getContents() . "\n";


$request = new \GuzzleHttp\Psr7\Request("GET", "https://example.com");

try {
    /** @var \Psr\Http\Message\ResponseInterface $response */
    $response = (new \gugglegum\RetryHelper\RetryHelper())
        ->setIsTemporaryException(function(\Throwable $e): bool {
            return $e instanceof \GuzzleHttp\Exception\ServerException
                || ($e instanceof \GuzzleHttp\Exception\ConnectException && !str_contains($e->getMessage(), 'Could not resolve host'));
        })
        ->setDelayBeforeNextAttempt(function(int $attempt): float|int {
            return $attempt * 5;
        })
        ->setOnFailure(function(\Throwable $e, int $attempt): void {
            throw new RuntimeException($e->getMessage() . " (attempt " . $attempt . ")", $e->getCode(), $e);
        })
        ->setLogger(new class extends \Psr\Log\AbstractLogger {
            public function log($level, string|Stringable $message, array $context = []): void
            {
                echo "[" . strtoupper($level) . "] {$message}\n";
            }
        })
        ->execute(function() use ($request) {
            return (new \GuzzleHttp\Client())->send($request);
        }, 10);

    echo $response->getBody()->getContents() . "\n";

} catch (\Throwable $e) {
    echo "\nExiting due to an error: {$e->getMessage()}\n";
}


$logger = new class extends \Psr\Log\AbstractLogger {
    public function log($level, string|Stringable $message, array $context = []): void
    {
        echo "[" . strtoupper($level) . "] {$message}\n";
    }
};
$request = new \GuzzleHttp\Psr7\Request("GET", "https://example.com");
$response = (new \gugglegum\RetryHelper\RetryHelper())
    ->execute(function() use ($request, $logger) {
        $logger->debug("Send GET request");         // <------ Here we use logger inside main callback
        return (new \GuzzleHttp\Client())->send($request);
    }, 10);


function(\Throwable $e): bool { ... }


function(int $attempt): float|int { ... }


function(\Throwable $e, int $attempt): void { ... }